1XB7

X-ray structure of ERRalpha LBD in complex with a PGC-1alpha peptide at 2.5A resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1KV6	PDB ENTRY 1KV6

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	NaCl, KI, PEG4000, MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.3	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 109.999	α = 90
b = 109.999	β = 90
c = 104.671	γ = 120

Symmetry
Space Group	P 65 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARRESEARCH		2003-07-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.8000	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.5	20	94.7	0.099	27.5	12.3	12704	12704			50.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.5	2.59	91.5		0.41	2.8		1186

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1KV6	2.5	20	12060	12060	625	94.8	0.2165	0.2165	0.21491	0.2473	RANDOM	38.271

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.59	-0.3		-0.59		0.89

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.355
r_scangle_it	3.798
r_scbond_it	2.104
r_mcangle_it	1.599
r_angle_refined_deg	1.447
r_angle_other_deg	0.953
r_mcbond_it	0.83
r_symmetry_hbond_refined	0.339
r_symmetry_vdw_other	0.28
r_nbd_other	0.222
r_nbd_refined	0.214
r_xyhbond_nbd_refined	0.168
r_symmetry_vdw_refined	0.167
r_nbtor_other	0.081
r_chiral_restr	0.076
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_gen_planes_other	0.004
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1741
Nucleic Acid Atoms
Solvent Atoms	84
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing